Cisco C9300L-48P-4X-A 48 Ports Switch
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Cisco C9300L-48P-4X-A 48 Ports Managed Switch Layer 3 Refurbished

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Part Number#: C9300L-48P-4X-A
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Short Description:
C9300L-48P-4X-A Catalyst 9300L 48 Ports Power Over Ethernet Plus (PoE+) Ethernet Ports & 4 10-Gigabit Small Form-factor Pluggable Plus (SFP+) Uplink Ports Optical Fiber Layer 3 (L3) Managed Switch | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Details Overview of the 48 Ports Managed Switch

In the realm of networking, efficiency, and reliability are paramount, and the Cisco C9300L-48P-4X-A stands out as a formidable player in the field. This managed switch is equipped with 48 ports and operates at Layer 3, offering advanced features for seamless network management. In this comprehensive guide, we will delve into the key aspects of the Cisco C9300L-48P-4X-A, exploring its specifications, capabilities, and the benefits it brings to networking environments.

Understanding the Basics

Before delving into the specifics of the Cisco C9300L-48P-4X-A, let's grasp the concept of a Layer 3 Managed Switch. In networking, a switch is a device that connects devices within a local area network (LAN). The term "Layer 3" refers to the network layer in the OSI model, where the switch operates. Unlike Layer 2 switches that operate at the data link layer, Layer 3 switches can make forwarding decisions based on IP addresses.

Key Features

Port Density

The C9300L-48P-4X-A boasts an impressive 48 ports, providing ample connectivity for devices within a network. This high port density is particularly beneficial for large-scale deployments, such as enterprise networks, where numerous devices need to be interconnected.

Layer 3 Functionality

As a Layer 3 managed switch, the C9300L-48P-4X-A operates at the network layer of the OSI model. This enables it to make routing decisions, optimize data traffic, and enhance overall network performance. Layer 3 switches are known for their intelligence and efficiency in handling complex networks.

Power over Ethernet (PoE)

The inclusion of Power over Ethernet (PoE) in the C9300L-48P-4X-A adds another layer of functionality. This feature allows the switch to deliver power to connected devices, such as IP cameras and VoIP phones, through the same Ethernet cable used for data transfer. This simplifies cable management and reduces the need for additional power sources.

4x 10G Uplinks

For high-speed connectivity and efficient data transfer, the C9300L-48P-4X-A is equipped with four 10 Gigabit Ethernet uplink ports. These ports provide the necessary bandwidth for data-intensive applications, ensuring a smooth and responsive network experience.

Advanced Security Features

Security is a top priority in any network infrastructure, and the C9300L-48P-4X-A addresses this concern with a range of advanced security features. These may include access control lists (ACLs), port security, and secure management options, safeguarding the network against unauthorized access and potential threats.


The C9300L-48P-4X-A comes in a compact and rack-mountable form factor, making it suitable for deployment in various environments. Its dimensions ensure that it can be seamlessly integrated into standard network racks, optimizing space utilization.

Performance Metrics

With a focus on high performance, the C9300L-48P-4X-A delivers impressive throughput and low latency. These performance metrics are crucial for applications that demand real-time data transfer, such as video conferencing and VoIP communications.


Scalability is a key consideration in network design, and the C9300L-48P-4X-A caters to this need with its scalable architecture. This allows the switch to adapt to growing network demands, accommodating additional devices and ensuring a future-proof networking infrastructure.

Efficient network management is simplified through the switch's intuitive management interface. Whether through a web-based graphical user interface (GUI) or a command-line interface (CLI), administrators have the tools needed to monitor and configure the switch to meet specific requirements.

Use Cases

Enterprise Networks

The C9300L-48P-4X-A is well-suited for large enterprise networks where a multitude of devices need to be connected. Its high port density, Layer 3 functionality, and advanced security features make it an ideal choice for organizations with complex networking needs.

IP Surveillance Systems

The Power over Ethernet (PoE) capability of the switch makes it an excellent choice for IP surveillance systems. By providing power to IP cameras over the Ethernet cable, the need for separate power sources is eliminated, simplifying installation and maintenance.

Data Centers

In data center environments where high-speed connectivity and low latency are critical, the C9300L-48P-4X-A's 10 Gigabit Ethernet uplink ports come into play. These ports facilitate the rapid transfer of large volumes of data, ensuring efficient data center operations.


Enhanced Connectivity

The 48 ports offered by this Cisco switch provide a significant advantage in environments where numerous devices need to be connected. Whether in a busy office setting or a data center, having an abundance of ports ensures that every device can be seamlessly integrated into the network.

Power over Ethernet Simplifies Infrastructure

The Power over Ethernet functionality is a game-changer in terms of infrastructure management. By delivering both data and power over a single cable, the need for separate power sources for connected devices is eliminated. This not only reduces cable clutter but also streamlines the installation process, resulting in a more efficient and cost-effective setup.

Efficient Traffic Management with Layer 3 Routing

The Layer 3 routing capabilities of the C9300L-48P-4X-A empower administrators to optimize traffic flow based on IP addresses. This is crucial in large networks where different segments may have varied bandwidth requirements. By making intelligent routing decisions, the switch ensures that data reaches its destination in the most efficient manner, minimizing latency and enhancing overall network performance.

Scalability and Flexibility

The inclusion of four uplink ports adds a layer of scalability to the switch. This allows for easy expansion of the network by connecting additional switches or devices. Whether an organization is experiencing growth or restructuring, the C9300L-48P-4X-A provides the flexibility to adapt to changing network demands.

Improved Network Performance

The Layer 3 functionality of the C9300L-48P-4X-A plays a crucial role in optimizing network performance. By making intelligent routing decisions, the switch ensures efficient data traffic flow, reducing bottlenecks and enhancing overall network responsiveness.

Simplified Cable

The inclusion of Power over Ethernet (PoE) not only provides power to connected devices but also simplifies cable management. With power and data transferred over a single Ethernet cable, installation becomes more straightforward, and the overall aesthetics of the network environment are improved. As a managed switch, the C9300L-48P-4X-A puts control in the hands of network administrators. Through a user-friendly interface, administrators can configure Virtual LANs (VLANs), implement Quality of Service (QoS) policies, and enforce security protocols. This level of management granularity is essential for tailoring the network to meet specific organizational requirements.

Enhanced Security

Security is a top priority in modern networking, and the C9300L-48P-4X-A addresses this concern through its advanced security features. Whether it's controlling access through ACLs or implementing port security measures, the switch provides a robust security foundation for the network.

Future-Proof Scalability

In a rapidly evolving technological landscape, scalability is a critical consideration. The C9300L-48P-4X-A's scalable architecture ensures that it can adapt to the changing needs of a network, accommodating additional devices and technologies as they are introduced.

General Information about the Cisco C9300L-48P-4X-A

  • Manufacturer: Cisco
  • Part Number or SKU# C9300L-48P-4X-A
  • Product Line: Catalyst
  • Product Series: 9300
  • Product Type: Ethernet Switch

Interfaces/Ports of Ethernet Switch

  • Total Number of Network Ports: 48
  • Uplink Port: Yes
  • Modular: Yes
  • Stack Port: Yes

Port/Expansion Slot Details

  • 48 x PoE+
  • 4 x 10 Gigabit Ethernet Uplink


  • Media Type Supported: Optical Fiber
  • Ethernet Technology: 10 Gigabit Ethernet
  • Network Technology: 10GBase-X

I/O Expansions

  • Number of Total Expansion Slots: 4
  • Shared SFP Slot: No
  • Number of SFP Slots: 4

Management & Protocols

  • Routing Protocol:
  • OSPF, BGP-4, IS-IS, RIP-1, RIP-2, EIGRP, HSRP, VRRP, PIM-SM, EIGRP for IPv6, OSPFv3, PIM-SSM, MSDP, policy-based routing (PBR), RIPng, MPLS, MSTP
Remote Management Protocol
  • Features:
  • Non-Stop Forwarding (NSF), Access Control List (ACL) support, Quality of Service (QoS), Rapid Per-VLAN Spanning Tree Plus (PVRST+), Shaped Round Robin (SRR), PXE support, Remote Switch Port Analyzer (RSPAN), Energy Efficient Ethernet, Virtual Routing and Forwarding (VRF), Class of Service (CoS), Flexible NetFlow (FNF), 802.1x authentication, Precision Time Protocol (PTP), DiffServ Code Point (DSCP) support, MACsec support, Control plane protection (CoPP), Location ID Separation Protocol (LISP), Blue Beacon LED, Zero-touch provisioning (ZTP), CoAP support, secure boot, Switched Port Analyzer (SPAN), Security Group Tag (SGT) caching, Protocol Independent Multicast (PIM), First Hop Security (FHS), Audio Video Bridging (AVB), PVLAN support, Graceful Insertion and Removal (GIR) mode, Committed Information Rate (CIR), Cisco Trust Anchor module, Cisco Unified Access Data Plane (UADP) 2.0, Cisco StackWise-320 technology
Compliant Standards
  • IEEE 802.3, IEEE 802.3u, IEEE 802.3z, IEEE 802.1D, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3af, IEEE 802.3x, IEEE 802.3ad (LACP), IEEE 802.1w, IEEE 802.1x, IEEE 802.1s, IEEE 802.1ae, IEEE 802.3at, IEEE 1588v2, IEEE 802.1BA, Wi-Fi CERTIFIED 6
Network & Communication
  • Layer Supported: 3
  • Manageable: Yes
Power Description
  • Power Source: Power Supply
  • Redundant Power Supply Supported: Yes
  • Environmental Parameters:
  • Min Operating Temperature: 23 °F
  • Max Operating Temperature: 113 °F
  • Humidity Range Operating: 5 - 90% (non-condensing)
  • Min Storage Temperature: -40 °F

In summary, the Cisco C9300L-48P-4X-A is a powerful and versatile Layer 3 managed switch that brings together high port density, advanced features, and robust security. Whether deployed in enterprise networks, data centers, or surveillance systems, this switch offers the performance and scalability needed to meet the demands of modern networking environments. With its intuitive management interface and thoughtful design, the C9300L-48P-4X-A stands as a reliable solution for organizations seeking a resilient and efficient networking foundation.

Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.

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